Ai senses of art. 48 of Legislative Decree 22 June 2012, n. 83, converted with modifications from l. 7 August 2012, n. 134, in judgments arbitration per the resolution of controversies inherent or however connected to works public, supplies and services the praise it is challengeable in front to courtyard of appeal, beyond che mo tivi of nullity, even per violation of the rules of right relative to merit of the dispute; provision, this, which si applies even ai judgments arbitrators per i which not is expired the term per the appeal front to the courtyard appeal at the date of entry into vigor of the decree law aforementioned.